Doesn't matter. Different error codes below though. But still, it happens with the same user accounts.
I see the uploading hangs here for quite a while:
http://prntscr.com/irnvua
There were 2 of such backup breaks. They both started at the same users as always. But now ended earlier. Meaning less users failed, the backups started backing-up users earlier than otherwise.
Error text:
User XXXXXXXXX has been backed up. <17:59:19>
User XXXXXXXXX has been backed up. <17:59:20>
User XXXXXXXXX has been backed up. <17:59:20>
ftp_upload.php exit code: 0
ftp_upload.php output: connect failed: Connection timed out.
connect failed: Connection timed out.
connect failed: Connection timed out.
Falling back to PORT instead of PASV mode.
<18:02:30>
User XXXXXXXX has been backed up. <18:02:31>
ftp_upload.php exit code: 1
ftp_upload.php output: Could not connect to backup.XXXXXXXXX.nl -- try again later: Connection timed out.
Could not connect to backup.XXXXXXXXX.nl -- try again later: Connection timed out.
Could not connect to backup.XXXXXXXXX.nl -- try again later: Connection timed out.
ncftpput: cannot open backup.XXXXXXXXX.nl: could not connect to remote host, but can try again.
ncftpput return code: 1
<18:05:40>
User XXXXXXXXX has been backed up. <18:05:57>
ftp_upload.php exit code: 1
ftp_upload.php output: Could not connect to backup.XXXXXXXXX.nl -- try again later: Connection timed out.
Could not connect to backup.XXXXXXXXX.nl -- try again later: Connection timed out.
Could not connect to backup.XXXXXXXXX.nl -- try again later: Connection timed out.
ncftpput: cannot open backup.XXXXXXXXX.nl: could not connect to remote host, but can try again.
ncftpput return code: 1
<18:09:06>
User XXXXXXXXX has been backed up. <18:09:07>
User XXXXXXXXX has been backed up. <18:09:24>
User XXXXXXXXX has been backed up. <18:09:26>
User XXXXXXXXX has been backed up. <18:09:27>
User XXXXXXXXX has been backed up. <18:09:27>
User XXXXXXXXX has been backed up. <18:09:28>